1.16 Non-ideal Gases(1) S.J.T.U. Phase Transformation and Applications .Not smooth .Discontinuity .Phase changes Solid- liquid Liquid Solid Critical Liquid- vapor Triple Gas 表5一1水的压力~温度平衡关系 line Vapor 温度 体系的水蒸气压力kPa) (℃) 水户蒸气 水三冰 冰蒸气 (kPa) (kPa) (kPa) -20 0.103 1.996x105 Solid-vapor -15 0.191 0.165 1.611x105 -10 0.286 0.259 1.145x104 Volume -5 0.421 0.401 6.18x104 Temperature 0.00989 0.610 0.610 0.610 +20 2.338 +100 101.3 374 2.204x104 SJTU Thermodynamics of Materials Fall 2012 ©X.J.Jin Lecture 2 First Law llPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2012 © X. J. Jin Lecture 2 First Law II 1.16 Non-ideal Gases (1) •Not smooth •Discontinuity •Phase changes